Having studied Quantum Spatial Mechanics in Clown College, the peapod has been amusing families of all ages.

Pea Pod is the third plant obtained in the Wild West in Plants vs. Zombies 2. It is a peashooting plant, and the number of peas it shoots at a time corresponds to the number of heads it has at that moment. The player can increase the number of heads it has by planting another Pea Pod on top of it, with five heads being the maximum.

Upgrades

Plant Food effect

When fed Plant Food, the pods close up making something that resembles a headdress for the huge Peashooter head that pops up out of the ground. The giant Peashooter then shoots five giant peas that deals 20 normal damage shots each, for a total of 100 normal damage shots.

Costumed (China only)

When fed Plant Food, it shoots five big fire peas. If the big fire peas pass over a napalm Torchwood, the peas will turn into big napalm peas.

Pea Pod gains another 50% more attack power and health (200% of initial).

Ability Awaken

Pea Pod may be boosted when planted.

Fighting Power

Pea Pod gains another 50% more attack power and health (250% of initial).

Strategies

Pea Pod is a strong plant, but to get one to the maximum strength, 625 sun has to be spent on it. This is enough to afford three Repeaters or six Peashooters. Additionally, these plants are a bit stronger than one Pea Pod (Pea Pod has five heads, the combinations mentioned before have six peas). However, while weaker, this plant has a space advantage over the previous two combinations, taking only one space on the lawn. In Wild West, Pea Pod is exceptionally useful when placed on a minecart, where it can move to other lanes and take out multiple zombies at once, saving sun. Imitating this plant is a good option as you can set up Pea Pods faster. Pea Pod is useful with Torchwood, since it makes the peas do double damage and triple damage with Plant Food. Pea Pods are not useful in some objective levels, such as "Never have more than X plants" because upgrading a Pea Pod counts as a new plant.

Pea Pod can be also very useful when dealing with Zombie Chickens, due to their fast cooldown. You can choose it as an alternative to Lightning Reed for a more easy-to-use and powerful plant but beware of Zombie Chickens in large numbers as only one five-headed Pea Pod may sometimes be insufficient. Pea Pods are also excellent in dealing with fast zombies such as Explorer Zombie, Seagull Zombie, Jetpack Zombie, Surfer Zombie, Dodo Rider Zombie, Bug Zombie, Punk Zombie and Balloon Zombie, especially at maximum damage as they are able to destroy them quickly before they reach your backmost defenses, especially Explorer Zombie, Surfer Zombie and Punk Zombie case where they instantly destroy or move around plants that they encounter.

However, remember to not rely on it in higher levels of Endless Zones, since it lacks an area of effect and can only hit one zombie at a time. And with the high zombie density in Endless Zones, Pea Pod can be easily overwhelmed. Even with Torchwood, the number of zombies may be too much because flaming peas do not deal splash damage. If you intend to use Pea Pod in Endless Zones, it is advised to take an area of effect plant too, such as Laser Bean or Fume-shroom. This weakens at once many of the stronger zombies in the Endless Zone, allowing Pea Pod to finish them off quickly.

When upgraded in the Chinese version, Pea Pod can automatically grow, so one does not to plant is manually to five heads, saving sun. Since the auto-growth is a bit slow, planting it manually to three or four heads would be good.

In the trailer, if one looks carefully when the zombies come onto the lawn, it has all its heads. But when shown close-up, it has one head, then it regrows all the heads it already had.

The heads are planted in this order: middle-bottom, left, right, middle-center, middle-top.

There was a glitch in Last Stand where if the player rapidly plants Pea Pods on top of each other, they will shoot a couple of peas, even though there are no zombies. This can be used to clear tombstones before the level starts. This glitch is fixed in the 2.4 update. However, the glitch still occurs in the Chinese version of the game.

Using the Pea Pod glitch to clear the tombstones in the Chinese version

Each pea will be shot at different heights; for example, the middle and the left side, the middle will shoot it higher. This is because the heads are in different places in the pod.